// Unit tests for the pure helpers in scripts/docs/sync-wiki.mjs (the GitHub wiki sync).
import { test } from "node:test";
import assert from "node:assert/strict";

import {
  normKey,
  toWikiName,
  toWikiContent,
  syncHomeCounts,
  parseWikiPage,
  WIKI_BANNER,
  NEW_PAGE_EXCLUDE,
} from "../../scripts/docs/sync-wiki.mjs";

test("normKey: case/separator-insensitive fuzzy key (matches docs basename to curated wiki name)", () => {
  // The wiki names are hand-curated and not deterministic — normKey is what lets us
  // match e.g. FLY_IO_DEPLOYMENT_GUIDE.md to the existing "Fly-io-Deployment-Guide" page.
  assert.equal(normKey("FLY_IO_DEPLOYMENT_GUIDE.md"), normKey("Fly-io-Deployment-Guide"));
  assert.equal(normKey("API_REFERENCE"), normKey("API-Reference"));
  assert.equal(normKey("A2A-SERVER.md"), "a2aserver");
});

test("toWikiName: acronym-aware Title-Case-dashed name for NEW pages", () => {
  assert.equal(toWikiName("SUPPLY_CHAIN.md"), "Supply-Chain");
  assert.equal(toWikiName("API_REFERENCE"), "API-Reference");
  assert.equal(toWikiName("QUOTA_SHARE"), "Quota-Share");
  assert.equal(toWikiName("ACP"), "ACP");
});

test("toWikiContent: strips YAML frontmatter and prepends the language banner", () => {
  const doc = '---\ntitle: "X"\nversion: 3.8.2\n---\n\n# Heading\n\nBody text.\n';
  const out = toWikiContent(doc);
  assert.ok(out.startsWith(WIKI_BANNER), "must start with the wiki language banner");
  assert.ok(!out.includes("version: 3.8.2"), "frontmatter must be removed");
  assert.ok(out.includes("# Heading"), "content body must be preserved");
  assert.ok(out.endsWith("Body text.\n"), "trailing newline normalized");
});

test("toWikiContent: a document without frontmatter is kept intact (plus banner)", () => {
  const doc = "# No Frontmatter\n\nHello.\n";
  const out = toWikiContent(doc);
  assert.equal(out, WIKI_BANNER + "# No Frontmatter\n\nHello.\n");
});

test("syncHomeCounts: rewrites the cover-page provider/strategy counts", () => {
  const home = "Connect every AI tool to 177 providers.\n**177 AI Providers** · **14 Routing Strategies**\n";
  const out = syncHomeCounts(home, { providers: 226, strategies: 15, mcpTools: null, locales: 42 });
  assert.ok(out.includes("226 providers"));
  assert.ok(out.includes("**226 AI Providers**"));
  assert.ok(out.includes("**15 Routing Strategies**"));
  assert.ok(!out.includes("177"));
});

test("syncHomeCounts: leaves text untouched when a count is null (best-effort MCP)", () => {
  const home = "| **MCP Server** | 87 tools |\n";
  const out = syncHomeCounts(home, { providers: null, strategies: null, mcpTools: null, locales: null });
  assert.equal(out, home);
});

test("parseWikiPage: splits the locale prefix (U+2010) from the page name", () => {
  assert.deepEqual(parseWikiPage("Architecture"), { locale: null, name: "Architecture" });
  // U+2010 HYPHEN separator used by the localized mirrors (e.g. "pt-BR‐Architecture").
  assert.deepEqual(parseWikiPage("pt-BR‐Architecture"), { locale: "pt-BR", name: "Architecture" });
  assert.deepEqual(parseWikiPage("phi‐API-Reference"), { locale: "phi", name: "API-Reference" });
});

test("NEW_PAGE_EXCLUDE: internal reports/plans never become public wiki pages", () => {
  assert.ok(NEW_PAGE_EXCLUDE.has("DOCUMENTATION_AUDIT_REPORT"));
  assert.ok(NEW_PAGE_EXCLUDE.has("README"));
  assert.ok(!NEW_PAGE_EXCLUDE.has("SUPPLY_CHAIN"));
});